Kipp & Zonen CSD1 Instruction Manual
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Kipp & Zonen CSD1 Instruction Manual

Sunshine duration meter
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Kipp
&
Zonen
INSTRUCTION MANUAL
1
SUNSHINE DURATION METER

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Summary of Contents for Kipp & Zonen CSD1

  • Page 1 Kipp & Zonen INSTRUCTION MANUAL SUNSHINE DURATION METER...

  • Page 3: Important User Information

    IMPORTANT USER INFORMATION Reading this entire manual is recommended for full understanding of the use of this product. The exclamation mark within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance instructions in the literature accompanying the instrument.

  • Page 5: Declaration Of Conformity

    DECLARATION OF CONFORMITY According to EC guideline 89/336/EEC We Kipp & Zonen B.V. Röntgenweg 1 2624 BD Delft declare under our sole responsibility that the product Type: CSD 1 Name: SUNSHINE DURATION SENSOR to which this declaration relates is in conformity with the following standards Imissions EN 50082-1 Group standard...

  • Page 7: Table Of Contents

    TABLE OF CONTENTS IMPORTANT USER INFORMATION............3 DECLARATION OF CONFORMITY ............. 5 TABLE OF CONTENTS................7 1. GENERAL INFORMATION..............9 USING THE CSD 1 ..................9 THE MINIMUM NECESSARY REQUIREMENTS.......... 11 INSTALLATION....................11 MEASUREMENT OF SUNSHINE DURATION ..........14 MEASUREMENT OF DIRECT RADIATION ..........15 USING THE HEATER ..................

  • Page 9: General Information

    GENERAL INFORMATION CSD 1 is a sensor for measurement of sunshine duration. The sunshine duration is defined as the time during which the direct solar radiation exceeds the level of 120 W/m². CSD 1 can also supply a derived value of the level of direct radiation. CSD 1 was designed for use in agricultural meteorology (evaporation), for tourist information (number of sunshine hours), for building automation (automatic control of sunscreens), and for health resorts (climatology for...
  • Page 10 Typically the unit will run without attendance. Paragraphs 1.2 to 1.6 expand upon the above. CSD 1 should be regularly maintained and if possible be re-calibrated once every year in order to check the instrument stability. These items are addressed in 1.7 and 1.8. More about the optical theory can be found in 1.9.

  • Page 11: The Minimum Necessary Requirements

    THE MINIMUM NECESSARY REQUIREMENTS For working with CSD 1 at least 1 channel of data acquisition is needed. Usually the measurement values are stored and integrated during each day. After a day of measurement, the daily total is usually stored and reset to 0. The output of the sunshine duration signal is 0 Volt when it is not sunny, or 1 Volt if the direct solar radiation exceeds the level of 120 W/m².
  • Page 12 As seen from figure 1.3.1, the angle between the instrument axis and a horizontal plane should be equal to the latitude of the installation location. Installing like this the measurement is optimised. When connecting the wiring, make sure to shield the power and signal cables as much as possible.
  • Page 13 Figure 1.3.2 a global view of the installation of the CSD 1...

  • Page 14: Measurement Of Sunshine Duration

    colour signal outputs not sunny/sunny 0 V/1 V blue both signals ground grey direct radiation, 1 W/m 1 mV colour power input brown power supply + 12 VDC yellow power supply ground colour heater inputs white heater supply 10 W +12 VDC black both heaters common...

  • Page 15: Measurement Of Direct Radiation

    MEASUREMENT OF DIRECT RADIATION An output representing the direct radiation is available. This signal is 0 V when no direct radiation is present, and varies linearly with the irradiance. The calibration is factory set at a level of 1 mV equivalent to 1W/m2. Measuring this parameter can be useful because the information in the sunshine duration signal is limited, only showing if this signal is above or below a certain level.

  • Page 16: Maintenance

    Re-calibration should preferably be carried out by Kipp & Zonen. If done locally, the resistors for adjusting the sensitivity are accessible. A special chapter has been dedicated to the procedure for adjustment of the sensitivity. MAINTENANCE CSD 1 needs limited maintenance only. Regular cleaning of the transparent window is recommended.
  • Page 17 Figure 1.9.1 CSD 1 with its three detectors, D1, D2 and D3. The way that CSD 1 works is as follows: CSD 1 has three detectors, D1, D2 and D3. D1 detects all the solar radiation, direct and diffuse. D2 and D3 only cover part of the sky; the part that is covered by D2 is not seen by D3.
  • Page 18 The electronics of CSD 1 first determines whether D2 or D3 is receiving direct radiation (maximum signal). It chooses the detector with the smallest signal, and assumes that this output represents approximately of the diffuse radiation. Some corrections, C, for geometry are made, (see the formula below).

  • Page 19: Properties Of Csd 1

    Measurement accuracy was determined by experimental comparison with reference instruments that are traceable to WRR (Word Radiometer Reference) standards. -30 °C (10 W heating on) Operating temperature of CSD1 to +70 °C (no heating) Location any longitude and latitude Required power supply without heating <...

  • Page 20: Specifications Of The Heater

    SPECIFICATIONS OF THE HEATER Power supply heating low level 1 W ± 0,1 W at 12VDC Power supply heating high level 10 W ± 1 W at 12VDC Expected temperature range for melting ice heating low level only dew removal 0 °C to -15 °C (wind <1 m/s) heating high level...

  • Page 21: Trouble Shooting

    9 VDC and maximum 15 VDC. Check the input current. It should be between 0.2 mA and 2 mA. If the above tests are passed, the CSD1 should be transferred to an indoor facility. Here the instrument can be opened by unscrewing the bottom plate, and inspected.
  • Page 22 The row of 6 pins beside the central hole of the printed circuit board is labelled J19 is used for service purposes. Check the pins of J19 for the correct voltages (J16 or J17 is ground): pin 1 output sunny/not sunny 1 V = sunny;...

  • Page 23: Adjustment Of The Calibration Factor

    2. The detector D1 of the reference is always considered to be the reference detector. Take the average reading of J18-1 and J18-2, and rotate the CSD1 around its axis to take a total of 4 readings at 90 degree intervals. The average is called REF1.
  • Page 24 4. Take 4 readings of D1 of the CSD1 (J18-1 and J18-2) at 90 degree intervals. The average is called FD1. 5. Put D2 of the test CSD1 in the position of D1. Take the readings of D2 of the test CSD1 (J18-2 and J18-5) in 2 opposite directions. The average is called FD2.
  • Page 25 First the resistors at location 2 are removed, and their total resistance is measured. After this the value of the replacement resistors REP2 can be calculated according to the following formula: REP2 = total old resistance * ( 3.3 * REF1 / FD2) 9.
  • Page 26 figure 4.1 postion of the calibration resistors and connector J18...

  • Page 27: Delivery

    DELIVERY Delivery of CSD 1 includes the following items: CSD 1 sunshine duration meter 0342901 CSD 1 manual 0342300...

  • Page 29: Spare Parts

    SPARE PARTS The following spare parts are available: Silica gel 2643943 ( 1 kg) Complete drying cartridge consisting of: clamp-spring 0305165 drying cartridge (without cover) 9012106 cover for cartridge 9012107 rubber ring 2132153...

  • Page 31: Electrical Diagrams

    ELECTRICAL DIAGRAMS The following contains electrical diagrams to be used during trouble shooting and adapting the calibration factor.

  • Page 33: Recalibration Service

    RECALIBRATION SERVICE Pyranometers, UV Radiometers, Pyrgeometers & Sunshine duration meters Kipp & Zonen solar radiation measurement instruments comply with the most demanding international standards. In order to maintain the specified performance of these instruments, Kipp & Zonen recommends calibration of their instruments at least every two years.
  • Page 35 RECALIBRATION FORM NAME COMPANY/INSTITUTE : ADDRESS CITY + POSTCODE COUNTRY PHONE E-MAIL I would like to receive a price list for recalibration I would like to submit my instruments for recalibration Type/Model: Qty: Requested delivery time I intend to send the instruments to Kipp &...
  • Page 37 RECALIBRATION FORM NAME COMPANY/INSTITUTE : ADDRESS CITY + POSTCODE COUNTRY PHONE E-MAIL I would like to receive a price list for recalibration I would like to submit my instruments for recalibration Type/Model: Qty: Requested delivery time I intend to send the instruments to Kipp &...
  • Page 39 RECALIBRATION FORM NAME COMPANY/INSTITUTE : ADDRESS CITY + POSTCODE COUNTRY PHONE E-MAIL I would like to receive a price list for recalibration I would like to submit my instruments for recalibration Type/Model: Qty: Requested delivery time I intend to send the instruments to Kipp &...
  • Page 41 C ustomer S upport Our customer support Für Servicearbeiten und Notre service 'Support Clientèle' remains at your disposal Kalibrierung, Verbrauchs- reste à votre entière disposition for any maintenance or material und Ersatzteile pour tout problème de maintenance, réparation ou repair, calibration, steht Ihnen unsere supplies and spares.

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